h1, h2, h3 {
    color: var(--ct-navy);
}

/* Nav */
.nav-brand {
    text-decoration: none;
    border: none;
}

.nav-logo {
    height: 36px;
    width: auto;
    display: block;
}

/* Hero */
#hero {
    padding: 4rem 0 2rem;
    text-align: center;
}

#hero h1 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}

#hero p {
    max-width: 640px;
    margin: 0 auto 2rem;
    color: var(--ct-muted);
}

/* Sections */
section {
    padding: 2rem 0;
}

section h2 {
    border-bottom: 2px solid var(--ct-blue);
    display: inline-block;
    padding-bottom: 0.25rem;
    margin-bottom: 1.5rem;
}

article h3 {
    font-size: 1.15rem;
}

/* Traceability section — USP highlight */
#traceability {
    background: var(--ct-navy);
    color: #f1f5f9;
    padding: 3rem 0;
    margin: 2rem calc(-1 * (100vw - 100%) / 2);
    padding-left: calc((100vw - 100%) / 2);
    padding-right: calc((100vw - 100%) / 2);
}

#traceability h2 {
    color: #fff;
    border-bottom-color: var(--ct-blue);
}

#traceability p {
    color: #cbd5e1;
}

#traceability article {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
}

#traceability article h3 {
    color: #fff;
}

#traceability article p {
    color: #cbd5e1;
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--pico-muted-border-color);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    height: 28px;
    width: auto;
    opacity: 0.6;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links a {
    color: var(--ct-muted);
    font-size: 0.85rem;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--ct-navy);
}

/* Mobile */
@media (max-width: 576px) {
    nav {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    nav ul {
        justify-content: center;
        padding: 0;
        margin: 0;
    }
    nav ul li {
        font-size: 0.85rem;
        padding: 0 0.25rem;
    }
    .nav-logo {
        height: 28px;
    }
    #hero h1 {
        font-size: 1.8rem;
    }
    #traceability {
        padding: 2rem 1rem;
        margin: 1rem -1rem;
    }
}